HailEvidence → hail history → Harmon, ND
Harmon, ND hail history
Every figure below is from the NOAA NCEI Storm Events Database — the official NWS record — counting events recorded within 10 miles of the Harmon city centroid, 1950 to present.
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Hail by year — last 15 years
| Year | Hail events ≤ 10 mi | Largest hail |
|---|---|---|
| 2026 | 3 | 2.00" (hen egg) |
| 2025 | 10 | 2.75" (baseball) |
| 2024 | 6 | 3.00" (tea cup) |
| 2023 | 1 | 1.75" (golf ball) |
| 2022 | 2 | 2.50" (tennis ball) |
| 2021 | 0 | — |
| 2020 | 4 | 2.00" (hen egg) |
| 2019 | 4 | 1.50" (ping pong ball) |
| 2018 | 1 | 0.75" (penny) |
| 2017 | 2 | 2.75" (baseball) |
| 2016 | 10 | 2.50" (tennis ball) |
| 2015 | 1 | 0.75" (penny) |
| 2014 | 2 | 1.50" (ping pong ball) |
| 2013 | 11 | 1.75" (golf ball) |
| 2012 | 2 | 1.00" (quarter) |
Note: the current and prior year reflect the latest NCEI compile and grow as NWS finalizes reports; same-day activity appears on this site's storm-day pages before it reaches this table.
Wind and tornado record
- 76 thunderstorm-wind events, strongest 90 mph, most recent 2025-08-08.
- 13 tornado events, most recent 2025-06-27.
Most recent recorded events
| Date | Type | Magnitude | Distance |
|---|---|---|---|
| 2026-06-29 | Hail | 2.00" | 9.2 mi |
| 2026-06-29 | Hail | 1.75" | 8.6 mi |
| 2026-06-29 | Hail | 2.00" | 10 mi |
| 2025-08-08 | Thunderstorm Wind | 63 mph | 8.7 mi |
| 2025-07-20 | Hail | 1.00" | 9.2 mi |
| 2025-06-27 | Hail | 1.25" | 5.5 mi |
| 2025-06-27 | Tornado | EFU | 8.3 mi |
| 2025-06-27 | Tornado | EF1 | 8 mi |
| 2025-06-27 | Hail | 2.75" | 8.9 mi |
| 2025-06-27 | Hail | 2.75" | 1.6 mi |
2026-06-29: “One window on house was broken.”
2025-06-27: “This is the second of two tornadoes that occurred to the north of Bismarck. The tornado formed in an open field north of Bismarck and impacted no structures, thus there was no damage to evaluate. By National Weather Service policy the tornado is rated EF-U (Unknown).”
2025-06-27: “This is the first of two tornadoes that occurred to the north of Bismarck. The tornado developed just north of a residence, and slowly moved to the south-southeast. As it moved through the residence lot, the tornado caused significant roof damage to an outbuilding and toppled a covered trailer. In a”
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Address lookup by the U.S. Census Bureau geocoder. Records: NOAA NCEI Storm Events (final) plus SPC preliminary reports for storms newer than the latest compile — see methodology.
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Nearby hail history
source: NOAA NCEI Storm Events computed 2026-10-07